galactosyln.

Brit.

/ɡəˈlaktə(ʊ)sʌɪl/,

/ɡəˈlaktə(ʊ)sɪl/, U.S.

/ɡəˈlæktoʊˌsɪl/

Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: galactose n., -yl suffix.

Etymology: < galactose n. + -yl suffix, after German Galactosyl (1921 or earlier; now usually Galaktosyl).

Biochemistry.

A radical or group derived from galactose by loss of a hydroxyl group. Usually attributive or as a formative element in names of compounds.

ΚΠ

1921 Chem. Abstr. 15 2837 Galactosyl glucosyl selenide octaacetate..was prepd. from acetobromoglucose and acetobromogalactose with alc. K₂Se.

1948 W. W. Pigman Chem. Carbohydrates x. 458 It [sc. verbascose] has the galactosyl group substituted at carbon 6 of the terminal galactose unit of the stachyose.

1961 A. A. Benson in W. D. McElroy & B. Glass Symp. Light & Life iv. 395 The major chloroplast lipids are the galactosyl monoglycerides and the phosphatidyl glycerols.

2002 O. Lamikanra Fresh-cut Fruits & Veg. vi. 156 The enzyme..is specific for galactosyl residues in the β-configuration.

Compounds

galactosyl transferase n. an enzyme that brings about the transfer of a galactosyl group from one molecule to another.

ΚΠ

1956 J. E. Gander et al. in Arch. Biochem. & Biophysics 60 260 Mammary tissue from lactating cows contains..a galactosyl transferase which catalyzes the transfer of the galactosyl group.

1988 L. Stryer Biochem. (ed. 3) xiv. 340 This reaction is catalyzed by lactose synthase, which consists of a catalytic subunit (galactosyl transferase) and a modifier subunit (α-lactalbumin).

1996 N.Y. Times (Nexis) 30 Apr. c1 He has shown that antibodies to galactosyl transferase stop sperm from binding to eggs.

This is a new entry (OED Third Edition, November 2010; most recently modified version published online March 2022).

单词	galactosyl
释义	galactosyln. Brit. /ɡəˈlaktə(ʊ)sʌɪl/, /ɡəˈlaktə(ʊ)sɪl/, U.S. /ɡəˈlæktoʊˌsɪl/ Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: galactose n., -yl suffix. Etymology: < galactose n. + -yl suffix, after German Galactosyl (1921 or earlier; now usually Galaktosyl). Biochemistry. A radical or group derived from galactose by loss of a hydroxyl group. Usually attributive or as a formative element in names of compounds. ΚΠ 1921 Chem. Abstr. 15 2837 Galactosyl glucosyl selenide octaacetate..was prepd. from acetobromoglucose and acetobromogalactose with alc. K₂Se. 1948 W. W. Pigman Chem. Carbohydrates x. 458 It [sc. verbascose] has the galactosyl group substituted at carbon 6 of the terminal galactose unit of the stachyose. 1961 A. A. Benson in W. D. McElroy & B. Glass Symp. Light & Life iv. 395 The major chloroplast lipids are the galactosyl monoglycerides and the phosphatidyl glycerols. 2002 O. Lamikanra Fresh-cut Fruits & Veg. vi. 156 The enzyme..is specific for galactosyl residues in the β-configuration. Compounds galactosyl transferase n. an enzyme that brings about the transfer of a galactosyl group from one molecule to another. ΚΠ 1956 J. E. Gander et al. in Arch. Biochem. & Biophysics 60 260 Mammary tissue from lactating cows contains..a galactosyl transferase which catalyzes the transfer of the galactosyl group. 1988 L. Stryer Biochem. (ed. 3) xiv. 340 This reaction is catalyzed by lactose synthase, which consists of a catalytic subunit (galactosyl transferase) and a modifier subunit (α-lactalbumin). 1996 N.Y. Times (Nexis) 30 Apr. c1 He has shown that antibodies to galactosyl transferase stop sperm from binding to eggs. This is a new entry (OED Third Edition, November 2010; most recently modified version published online March 2022). < n.1921
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